Home / 79,260.81-118,856.66-29,978.25

Finding the Fourth Proportional to 79,260.81, 118,856.66 and 29,978.25

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Solution

The fourth proportional to 79,260.81, 118,856.66 and 29,978.25 is: 44,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260.81 : 118,856.66 = 29,978.25 : x
  2. Step 2: Convert to fraction form
    79,260.81/118,856.66 = 29,978.25/x
  3. Step 3: Cross multiply
    79,260.81x = 118,856.66 × 29,978.25
  4. Step 4: Simplify right side
    79,260.81x = 3,563,114,517.75
  5. Step 5: Solve for x
    x = 3,563,114,517.75/79,260.81
  6. Step 6: Final answer
    x = 44,954.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.